Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NOV DHT AIR CENTER
16211 AIR CENTER BLVD., HOUSTON, TX, 77032
Parent company: NATIONAL OILWELL VARCO LP
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Methanol | Total |
|---|---|---|
| 2011 | 1,699 | 1,699 |